Good stuff. The lizard one (altho I don't know if you know what I'm about to refer to) reminds me of the character Kaiman from the Dorohedoro manga series for some reason. If he had spikes from his forehead it'd be even more Kaiman x3.

For the first one you've posted today. I think it's a little strange that we see that much of the man's pectoral (I may be wrong though) and the pec seems to overlap a little on the upper part of the forearm. Except for these I find it really cool: the pose, the anatomy and the whole scenery